Back In The Day

Back in the day when I was in Elementary School, we learned a bit about the ancient Greeks and their civilization. During those weeks of study, I willingly got up early in the morning while the house was still silent.
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Retention

In this article, I’d like to think out-loud about the topic of employee retention. There’s been a lot written surrounding this topic over the years: it’s cost to companies, changes to employee morale, company loyalty, generational differences in typical tenure among other subjects. On page 57 of the 84-page pdf from SIOP, one reads the following admonitions:
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Concurrent Performance Model Sample Size

A question I frequently get asked by both new and experienced Partners in the assessment industry is why the number of 30 incumbents is recommended as a minimum sufficient sample size for creating custom concurrent performance models.
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Typical Results

One of the purposes of the study was to provide the scientific community and the world with a more accurate understanding of what small, medium, and large effect sizes (correlations symbolized by the letter “r”) are in applied Psychology.
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